It's not creative unless it sells.

Nobody should be allowed to create general advertising until he has served his apprenticeship in direct-response

If you can’t advertise yourself, what hope do you have of advertising anything else?

Develop your eccentricities while you are young. That way, when you get old, people won't think you're going gaga.

The worst fault a salesman can commit is to be a bore. Foster any attempt to talk about other things; the longer you stay the better you get to know the prospect, and the more you will be trusted.

What you learn is more important than what you earn.

It is the inescapable duty of management to fire incompetent people.